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What does “#define _GNU_SOURCE” imply?
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For exact details on what are all enabled by _GNU_SOURCE, documentation can help.
From the GNU documentation:
Macro: _GNU_SOURCE
If you define this macro, everything is included: ISO C89, ISO C99, POSIX.1, POSIX.2, BSD, SVID, X/Open, LFS, and ...
Encode html entities in javascript
I am working in a CMS which allows users to enter content. The problem is that when they add symbols ® , it may not display well in all browsers. I would like to set up a list of symbols that must be searched for, and then converted to the corresponding html entity. For example
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Renaming the current file in Vim
...me2.vim (disregarding the smarter but more complex DelvarWorld version) to allow for spaces in paths and forked it here: github.com/aehlke/vim-rename3 Feel free to submit pull requests for even smarter functionality!
– aehlke
Jul 31 '13 at 21:40
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How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
We have all heard that one should never rebase published work, that it’s dangerous, etc. However, I have not seen any recipes posted for how to deal with the situation in case a rebase is published.
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SELECT DISTINCT on one column
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this is really useful case in any various duplication thank you
– ASLIM
Jan 13 at 8:08
add a comment
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Picking a random element from a set
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Fast solution for Java using an ArrayList and a HashMap: [element -> index].
Motivation: I ...
std::string formatting like sprintf
...mixed cout and printfs are output correctly. Disabling this link (with a call to cout.sync_with_stdio(false)) causes c++'s streams to outperform stdio, at least as of MSVC10.
– Jimbo
Jan 20 '13 at 21:15
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Different floating point result with optimization enabled - compiler bug?
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Intel x86 processors use 80-bit extended precision internally, whereas double is normally 64-bit wide. Different optimization levels affect how often floating point values from CPU get saved into memory and thus rounded from 80-bit precision to 64-bit precision.
Use the -ffloat-st...
Split List into Sublists with LINQ
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GroupBy doesn't return anything until it's enumerated all elements. That's why it's slow. The lists OP wants are contiguous, so a better method could yield the first sublist [a,g,e] before enumerating any more of the original list.
– Colonel Panic
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Find a Git branch containing changes to a given file
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Find all branches which contain a change to FILENAME (even if before the (non-recorded) branch point)
FILENAME="<filename>"
git log --all --format=%H $FILENAME | while read f; do git branch --contains $f; done | sort -u
M...